Harmonica model: SW24-12AProducts: harmonica 24 holes gambling double harmonica professionalTone: C and G keys between two sides, get this harmonica potential you have two harmonicas: stainless steel chrome-plating silver colorBlock board: fine copperReed: high-quality sound copper reedPacking box size: length 18cm × width 6cm × peak 3cmPackaging: high-end plastic caseEatable grade frets make certain your health, so please don&;t fear